subject
Mathematics, 26.12.2020 01:00 kale2158

Your friend's parents each have a job. Her mother's average weekly salary is $740 with a standard deviation of $43. Her father's average weekly salary is $535, with a standard deviation of $25. Find the average weekly salary of her parents combined, and the standard deviation of their combined salaries. You can assume that the amount of money her mother makes has no effect on her father's salary, and vice versa.

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 20.06.2019 18:04, starfox5454
4+6x-3x^3 in standard form with explanations because i don’t understand
Answers: 1
image
Mathematics, 21.06.2019 16:30, kanamek
What is the slope of the line shown below?
Answers: 2
image
Mathematics, 21.06.2019 18:00, woebrooke11
Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.
Answers: 3
image
Mathematics, 21.06.2019 21:00, angelaguero536
In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)
Answers: 1
You know the right answer?
Your friend's parents each have a job. Her mother's average weekly salary is $740 with a standard de...

Questions in other subjects:

Konu
Mathematics, 14.01.2021 18:10
Konu
Social Studies, 14.01.2021 18:10